Dispenser for light-sensitized sheets



A ril 29, 1952 c. F. GALLOWAY DISPENSER FOR LIGHT-SENSITIZED SHEETSFiled Nov. 25, 1949 Z'mnenfor 6%.2455 5 6441mm Y Gfiomeg Patented Apr.29, 1952 DISPENSER FOR LIGHT-SENSITIZED SHEETS Charles FrGalloway, LosAngeles, Calif. Application November 25, 1949, Serial o. 129,427 V Thepresent invention relates to a dispenser of the type adapted to hold andprogressively disp'en'se single sheets of sensitized paper.

The present invention has for an object a device wherein sensitizedpaper in sheet-form may be dispensed from the said container, a sheet ata time, with assurance that light will not enter the container and spoilother sensitized sheets therein during a dispensing operation.

A further object is the provision of a dispenser, which may be quicklyloaded with sensitized paper.

Further objects include the provision of a dispenser which isinexpensive in cost of manufacture, sightly in appearance, fool-proof inoperation, and generally superior to devices now known to the inventor.

In th drawing: I y I Figure 1 is 'a perspective view of the dispenser,

Figure2 is a top plan view of the container,

Figure 3 is a bottom plan view of the cover for the container, and

Figure 4 is a transverse sectional view on the line 4-4 of Figure 1.

Referring now with particularity to the drawing, the improved dispenserincludes a container I provided with a cover 2. The container l is ofthe form shown in cross-section in Figure 4 and has a front wall 3, rearwall 4, and end walls 5 and 6 with the base I of said container providedwith an elongated transversely arcuate slot 8 adjacent the front wall 3of said container and with an inclined wall or table portion 9 extendingfrom the rear wall to the arcuate groove 8. As shown, the end Walls 5and B are substantially of uniform height. The rear wall 4 and end walls5 and 5 are formed with an elongated external groove Ill. A portion ofsaid end walls 5 and 6 and front Wall 3 is grooved at I! and 12. Inaddition, the top edge of the front wall 3 is longitudinally recessedbetween the end walls 5 and 6, as shown at I3.

The cover 2 is provided with a curved top wall l4, a front wall l5 andtwo end walls i6 and IT. The construction is such that the end walls areof lesser depth than the depth of the front wall and do not entirelybound the curved top wall. In other words, the curved top wallrearwardly of the front wall portion extends beyond the end walls asshown in the figures. This extension or skirting; here designated as illfor the curved top wall, overlaps the rear edge l9 of the end walls 5and 5, and said portion I8 is provided on its inner surface with alongitudinally extending bead adapted to be received within thelongitudinal groove IU of the container. The front wall of 2 Claims.(Cl'. 312-54) the cover has a skirting 2| provided with a longitudinallyextending bead 22 which fits between and within the grooves l l and I2.The construction is such that the skirting I8 of the cover flexes soas-to allow the beads 20 and 22 to be received within the grooves H], Hand I2 of the container and thereby hold the cover securely, butdetachably, to the container. As shown in the drawing and particularlyin Figure 1, there is a close fit engagement between the ends of thecover and the ends of the container. The front wall l5 of the cover 2 isthickened with respect to the remaining portion of the cover to givestability to the structure and likewise to accommodate other elements ofthe invention. As shown in Figure 4, the bead portion 22 of'the cover'isspaced by a groove 23 from a portion 24. Portion 24 carries a pair ofseals 25 and 28. Seal 25 is secured to a flattened edge of portion 24while seal 26 is carried at an angleto seal 25.

Adapted to be longitudinally positioned for rotation within the.container and within the confines of the groove 8 is a roller 21. Thisroller is mounted on end trunnions fitted within the ends of thecontainer and one trunnion. externally carries a knob 28 whereby theroller may be manually turned. As shown, the periphery of this roller isadjacent the seal 25 and the lower edge of seal 26 engages the roller.With the cover in position on the container, a slot is formed as betweenthe bead 2| and the recess l3. The seals 25 and 26 are spaced rearwardlyof the said discharge slot so that when the roller is turned, a sheetmay be fed by the roller between said seals and outwardly through saidslot.

As illustrated in Figure 4, the table 9 is at an angle to the base. Astack of sensitized paper rests partly upon the table 9 and partly uponthe roller 21, rearwardly of the seals 25 and 26. The lowermost sheet ofthe stack is at all times in pressure engagement with the periphery ofthe roller, there being a pair of spring fingers 28 and 29 secured atone of their ends to the wall 4 of the container, while the oppositeends are secured to an elongated pad 3|. The pad 3| is adapted to engagethe outermost sheet of the said stack of sensitized paper as shown inFigure 4 at 32. Both fingers are bowed as illustrated in Figure 4.

The operation, uses and advantages of the invention just described areas follows:

The container is loaded with a stack of lightsensitized paper in a darkroom and the cover then secured to the container. This cover by having aresilient skirt l8 will retain its position on the container withoutshifting and release thereof from the container requires some exertionon the part of the operator to flex the skirt.

When a stack of the light-sensitized sheets is to be dispensed one at atime, the lowermost sheet will engage the friction roller 21, and as theroller is turned, the lowermost sheet will be fed between the lightseals 25 and 26 and outwardly through the. discharge slot inthe frontwall of the container. As shown, the lowermost sheet is forced to bendin passing over the periphery of the roller between the light seals 25and 26 and likewise to bend slightly in being; directed through thedischarge slot. We observe that the; seal 26 is rearwardly of thedischarge slot and has elongated edge engaging the periphery oftheroller. Such a seal forms an obstruction. to the passage of lightwithin the container. When the lowermost sheet of light-sensitized paperis moved by the roller, a seal 26 will flex and engage the-top surface:of; saidv sheet and still obstruct any: light.- passage within thecontainer. This constructionprovides a convenient form of li trap;

It is to be observed that the stack of lightsensitized sheets. has aconcave appearance as indicated in Figure 4. The spring fingers tend todepress the. stack so that the lowermost. sheet of saidstacl will at alltimes be in; frictional engagement withthe roller. The table 9 is at anangle and asthe; stack is pressed downwardly by the said? fingers, suchas may occur when the stack is reduced as to. thickness; the table. willnevertheless support the stack; and hold the lowermost. sheet infrictional engagement with the. roller. This is an, important feature ofthe present construction.

I'c'laim:

; 1. A device for dispensing single sheets, of light-sensitized paperincluding: a, container, a cover for said container,fsaid; containerprovided with an elongated curved groove, a feed roller within saidgroove: said container formed; with a discharge slot forwardly of the;said rollerr an inclined" table portion within said, container: and

rearwardly of said roller, said table and said roller adapted to supporttherebetween a stack of sensitized paper, the said roller positioningone edge of the stack above the discharge slot, means at all timesurging the lowermost sheet of said sensitized paper into engagement withthe periphery of said roller, and a flexible light seal member carriedby the cover andengaging the periphery of the roller rearwardly of: thedischarge slot and below the edge ofthe stack supportedby the roller.

2. A dispenser for sheets of light-sensitized papercompris ng: acontainer, a cover for detachable engagement with said container, saidcover and said container provided with a portion therebetweendefining adischarge slot, said container formed with, an elongated arcuate groove,a roller within said groove and rearwardly of said discharge slot, meansfor supporting a stack of light-sensitized sheets between the peripheryof they roller and container,, the said roller posi- REFERENCES CITEDThe following references are. of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 523,385 Tirr ll t a1- e-I,u1y 2%i8 1,, 9Qi66 Mark r July 11,. 191 2,475,657 Braleyensue-H J ly 2 i949FOREIGN PATENTS I v v I Number Country Date 181,145 Greatv BritainJunie. 15.19

